4K UHD 12G SDI over Single mode SFP-type Fiber Optic Extender (No SFP, Supports 12G/6G/3G/HD/SD-SDI)

MSRP: $999.00
Status: In Stock
TAA Compliant


The BG-FES12G is an advanced SDI extender that enables the extension of multiple SDI formats (12G/6G/3G/HD) with embedded audio up to a distance of 10 km (6.25 miles) over a single-mode fiber optic cable. With transmission speeds of up to 11.88 Gbps, this device ensures fast and reliable signal transmission for your SDI applications.

The transmitter and receiver units of this extender both feature equalizing and re-clocking functions, which help to maintain consistent signal quality over long distances. Additionally, the transmitter includes a handy SDI loop-out port for local display. The locking power supply featured on both units ensures a secure and reliable connection, giving you peace of mind and worry-free operation.

With the BG-FES12G, you can enjoy exceptional signal quality and reliable performance for all your SDI applications, whether it's for broadcasting, post-production, or live events.

Enhanced Quality and Reliability

High-Quality Content Guaranteed: With its 4K/60 4:4:4 support, this device allows you to stream high-resolution content with stunning color depth and clarity, making it ideal for professional broadcast applications.

Hassle-Free Integration: The device's single-mode SFP compatibility makes it easy to integrate into your existing fiber optic infrastructure, allowing you to extend your SDI signals up to 10 km (6.25 miles) without any degradation in signal quality. And with speeds up to 11.88 Gbps, you can be sure your video signals will be transmitted quickly and efficiently.


This product meets the standards of the Trade Agreement Act (TAA).
You can find all BZBGEAR TAA Compliant Products on this page.


4K/60 4:4:4 Support
Ultra HD refers to a TV resolution of 3840 x 2160 pixels
Multiple SDI Formats
Up to 11.88 Gbps
Extreme Range
Extend signal up to 10 km/6.25 miles
Fiber-Optic Connection
Single-Mode SFP
Locking Cables
Ensures reliable connection for power and video
  • SDI Loop-out on Transmitter to view content locally
  • Immune to RP-198 pathological patters
  • Automatic Re-clocking - Maintains solid signal lock

Tech Specifications

SDI standard SD-SDI/ HD-SDI/ 3G-SDI/ 6G-SDI/12G-SDI
Auto HD/SD-SDI detection Yes
Supported protocols
SMPTE 259M (270Mbps / 360Mpbs), DVB ASI (270Mbps)
SMPTE 292M / HDTV (1.485Gbps and 1.485/1.001Gbps)
SMPTE 424M / HDTV (2.97Gbps and 2.97/1.001Gbps)
SMPTE 2082-1 / HDTV (5.94Gbps and 5.94/1.001Gbps)
SMPTE 2082-2 / HDTV (11.88Gbps and 11.88/1.001Gbps)
Data rates 270 / 1483 / 1485 / 2967 / 2970 / 5940 / 11880Mbps
Video bandwidth 11.88Gpbs & 11.88/1.001Gbps
Video support
SDI signal type SMPTE 2082-2, SMPTE 2082-1, SMPTE-424M, SMPTE-292M, SMPTE-259M, DVB-ASI
Auto reclocker mode
Automatic detection: 270Mbps / 1.483Gbps / 1.485Gbps / 2.97Gbps / 2.967Gbps / 5.94Gbps / 5.934Gbps / 11880Gbps / 11868Gbps
Automatic bypass: 177Mbps / 360Mbps / 540Mbps
Output impedance 75Ω
Fiber Transmission 10km (6.25mi)
Loop-out Transmitter: 1 reclocking SDI loop-out
Receiver: N/A
Input Transmitter: 1x BNC [SDI] 1x Optical SFP [SDI]
Receiver: 1x Optical SFP [SDI]
Output Transmitter: 1x BNC [SDI] (optional loop-out)
Receiver: 1x BNC [SDI]
BNC connector 75Ω inter-locked socket
Audio support Yes
PCB Stack-up 4-layer board [impedance control — differential 100Ω ; single 50Ω ]
RP-198 pathological patterns Immune
Optical fiber connector SFP-type
Housing Metal case
Dimensions [L x W x H] Model: 2.9″ x 2.9″ x 1.0″ [74 x 74 x 26mm]
Package: 5.5″ x 7.9″ x 3″ [140 x 200 x 75mm]
Carton: 1’5″ x 1’4″ x 11.8″ [420 x 400 x 300mm]
Weight Model: 7.4 oz [211g]
Package: 15.4 oz [440g]
Power supply 5V 2A DC Inter-locked power supply
Power consumption 3 Watts [max]
Operation temperature 32~104°F / 0~40°C
Storage temperature -4~140°F / -20~60°C
Relative humidity 20~90% RH [no condensation]


  • 1x BG-FES12G
  • 2x 5V power adapter
  • 1x User Manual


  1. SDI OUT: 12G/6G/3G/HD/SD-SDI output.
  2. Power LED: The LED illuminates green when the device is powered.
  3. Signal LED: Signal indicator illuminates yellow when the receiver establishes a connection to the transmitter.
  4. DC 5V: 5V DC power jack.
  5. Optical IN: Optical in from the transmitter unit.
  6. SDI IN: 12G/6G/3G/HD/SD-SDI input.
  7. Signal LED: Signal indicator illuminates yellow when the transmitter establishes a connection to the receiver.
  8. Power LED: The LED illuminates green when the device is powered.
  9. DC 5V: 5V DC power jack.
  10. SDI Loopout: 12G/6G/3G/HD/SD-SDI loopout.
  11. Optical OUT: Optical output to the receiver unit.